Albert Marth discovered NGC 6201 = m 314, along with NGC 6203, on 6 Jun 1864 and noted "eF, vS." His position matches CGCG 138-053 = PGC 58727.
400/500mm - 17.5" extremely faint, very small, round. A mag 14.5 star is at the NE edge 26" from center. Forms a pair with NGC 6203 about 3' NE.
Notes by Steve Gottlieb